From patchwork Tue Aug 25 13:52:41 2009 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Subject: MTD ofpart: Check availability of reg property instead of name property Date: Tue, 25 Aug 2009 03:52:41 -0000 From: Benjamin Krill X-Patchwork-Id: 32039 Message-Id: <20090825135241.GA20036@codiert.org> To: Kumar Gala , David Woodhouse , linux-mtd@lists.infradead.org, linuxppc-dev@ozlabs.org The previous implementation breaks the dts binding "mtd-physmap.txt". This implementation fixes the issue by checking the availability of the reg property instead of the name property. Signed-off-by: Benjamin Krill --- drivers/mtd/ofpart.c | 21 ++++++++++----------- 1 files changed, 10 insertions(+), 11 deletions(-) diff --git a/drivers/mtd/ofpart.c b/drivers/mtd/ofpart.c index 3e164f0..62d6a78 100644 --- a/drivers/mtd/ofpart.c +++ b/drivers/mtd/ofpart.c @@ -46,21 +46,12 @@ int __devinit of_mtd_parse_partitions(struct device *dev, const u32 *reg; int len; - /* check if this is a partition node */ - partname = of_get_property(pp, "name", &len); - if (strcmp(partname, "partition") != 0) { + reg = of_get_property(pp, "reg", &len); + if (!reg) { nr_parts--; continue; } - reg = of_get_property(pp, "reg", &len); - if (!reg || (len != 2 * sizeof(u32))) { - of_node_put(pp); - dev_err(dev, "Invalid 'reg' on %s\n", node->full_name); - kfree(*pparts); - *pparts = NULL; - return -EINVAL; - } (*pparts)[i].offset = reg[0]; (*pparts)[i].size = reg[1]; @@ -75,6 +66,14 @@ int __devinit of_mtd_parse_partitions(struct device *dev, i++; } + if (!i) { + of_node_put(pp); + dev_err(dev, "No valid partition found on %s\n", node->full_name); + kfree(*pparts); + *pparts = NULL; + return -EINVAL; + } + return nr_parts; } EXPORT_SYMBOL(of_mtd_parse_partitions);